Oil seal



cant vvhich collectS thereon being throvVn ffoIn the peTi heTy of the i1ange under inf1uenco of centTifugal fofce CTeated by Totation of the shoe zz and 11ange 27 in unison with the shaft 12. ThuS, the gfeater paff of the lubTicant is tTapped Vvithin the aTea intern1ediate the fetainef fing 28 and f1ange 27.

Fron1 the above deScfiption it WiH be appafent thaf theTe iS thuS pfovided a device of the chafactef deScribed poSSeSSing the pafticu1af featI1fes of advantage befoTe enunlefated as desifable, but which obviously iS SuScep tible of InodiHcation in itS fofIT1, pfopoftions, detai1 con- Struction and aTfangeInent of paftS WithoUt departing ffoIn the pfincip1e involved of Sacfiflcing any of its advantageS.

vVhHe in oTder to coInp1y With the sfatutc the inVcn fion haS been deScTibed in 1anguage nToTe of 1eSS Specif1c as to stfuctura1 featufeS, it iS to bo undefStood that the invention iS not 1iInited to the specifc feafures Shown, but that the IT1eans and conStruction hefein diSclosed conlpfiSe but one of sevefa1 modes of putting the inVen fion into effecf,

Having thuS deScribed Iny invention, I c1aim= 1. A unitafy Shaft bearing Seal including a Inounting fing formed With a latefal pofiphera1 nango defining an open Sided cup-like shape for Said ring, a ring Sea1 TeceSSed in the outer sufface of Said f1ange, a graphite Shoe Sofrounded by Said 11ange, a ring seal interpoSed between the petiphery of Said graphfte Shoe and fhe interna1 Sufface of Said f1ange, a lneta111c Shoe afranged in paf alle1 Te1ation to Said gfaphite shoe and in advance theTeof fo 1ie betvveen the graphife Shoe and the bearing, a ring sea1 TeceSSed in vthe inner pefiphery of Said meta11ic shoe and Tnaking a Sealing contact With the Shaft, a retaining Ting secufed to the i1ange on Said Inounting Ting and extending inward into oveTlying Telation to Said fnetallic Shoe, and spTing IneanS inter osed betWeen said Inounting fing and Said gfaphite shoe uTging the aSSemb1y con1priSing Said shoes and aSSoc1afed seals outvvard, Said Spfing IneanS pfoviding a fofce fof y1elding preSSuTal confact of Said Ineta11ic shoe With the boafing.

2. A unitaTy bearing Seal according to clafm l, chaT actefized in that said Spring nleanS conTpriSeS a Ting in f1ush engageInent With Said gfaphite Shoe and pToiecting 1eSilient fingerS on Said Ting engaging said Inounting ring.

3. A unitary Shaft bearing SeaL including a mounting fing fofmed With a lateTa1 peTiphefal nange defining an open sided cUp1ike shape fo1 Said 1ing, a ring Sea1 fe cesSed in fhe onfer surface of Said ffange, a graphife Shoe sIlfTounded by Safd 11ange, a ring Seal interpoSed between the periphefy of said graphite Shoe and the internal surface of Safd f1ange, a Inetallic Shoe affanged in parane1 relation to Said gTaphife Shoe and in advance thefeof to 1ie befWeen fhe gfaphite Shoe and the beaTing, a ring Sea1 Tecessed in the inner periphery of Said metanic Shoe and nTaking a sealing contact vvith the shaft, an npright f1ange on the ontef peTiphery of Said Ineta1c shoe. a retaining ring Secured to the i1ange on Said n1Ounting ring and extending inward in overlapping Te1ation to fhe f1ange on Said fnetaH1c Shoe, and Spring nleans reacfing against Said nTounfing ring urging Said graphite Shoe into contact With said metaHic shoe and urging the assenlbly conlpTising both Said ShoeS outvvafd Te1ative1y to the Inounting Ting, Said spTing IneanS providing a force for yielding pressura1 contact of Said InetalHc shoe vvith the beafing,

4. A unitary shaft bearing seal, inclnding a mountfng ring forrned vVifh a 1afefal peTiphera1 11ange, a gfaphite Shoe Surfounded by Said f1ange, Ineans effecting a Sea1ing connection be1ween the pefiphefy of Safd gTaphite Shoe and the infefna1 Surface of Said 11ange, a fnetanic Shoe affanged in paranel relation to said graphite Shoe and in advance thefeof to lie befvveen the graphife shoe and the beafing, IT1eanS in the innef periphery of said Ineta11ic Shoe to make a seaHng contact vvith the Shaft, an I1pT1ght f1ange on the outer periphefy of Said Inetallic Shoe ter Ininating Shoft of contact With the f1ange on Said Inount ing ring, a fetainef Secufed to the f1ange on Said mount ing ring and exfending inyvafd in overlapping felafion fo the 11ange on Said Ineta11ic Shoe, Said retainef fing and shoe ango coopefating to hold the elements of the Seal in Said n1ounting fing and furthef coopefafing to define a circuitonS lubricant escape foute inhibiting such eScape, said Spfing IneanS Teacting against Said InoI1nt ing Ting and urging Said graphite shoe ontward, Said spfing n1eanS eXtending in Telative pTojecfing Te1ation to the outer edge of said graphite Shoe to lie in oppoSed pafaHel felation With the upTighf 11ange on said metanic shoe and to define Witf1 such upTight f1ange side val1S for the connning of Said Soa1ing connection between the pefiphefy of Said graphite Shoe and the interna1 Sufface of the 11ange on Said moUnting Ting.

5. A unitary Shaft beafing seal, including a cupShaped n1ounting ring, fSt and Second independenf ShoeS in said fing arranged in side by side contacting felation, the outer one of said shoes being posifioned for con tact vvith the beafing, Spfing nloans interpoSed between the end wan of said nlounting ring and the inner one of Said ShoeS to ufge said innel Shoe into contact With Said outer Shoe, and t() effect pfeSSuTe engageInent of said oufef Shoe vvith the bearing, and Tespective sea1ing n1eanS nlounted on the inner peTiphery of Said outef shoe for Sealing ongagen1ent With the shaft and on the onfef periphery of said inne1 Shoe fol Sealing engagenlent vith the innel peripheTy of said nlounting 1'ing.

6. A unitafy Shaft beafing Sea1, inc111ding a oup-shaped n1ounting Ting, tvvopaTt oi1 Sea1 Shoe n1eans contained within but unconnected to the nlounting fing and con1- prising a nletanic shoe facing the open Side of sa1d TiI1g fo1 engageInent Wfth the beafing and a gfaphite shoe sealing against the mefalHc shoe and spaced thefeby ffom the beafing, a Spnng acting on the Shoes and feact ing on said n1ounting Ting, individua1 sea1ing a11d pos1- tioning Ineans betWeen the graphite shoe and fhe n1ount ing ffng and betvveen the Inefa11ic shoe and the Shaft, and a Tetaining fing inSta11ed in the open side of said fing fof holding Said tWopaft Shoe n1eanS in said ring.

7. A unftaTy shaft beari11g Sea1, inc1uding a cuPShaped Inounting Ting, oil Seal Shoe Ineans 1oosely Inounted in Said n1ounting fing and spaced froIn the intefna1 side wan theTeof, a ring Sea1 Sufounding Said shoe Ineans and contacting the intefna1 Side va11 of said n1oonting IneanS, an exfefna1 periphefa1 f1ange on said Shoe n1eanS eXtending tovvaTd the fnteTnal side vva11 of the Inounting ring and in oonfining Telation to said Ting sea1 oI1 the outwafd side thereof, a ring seal intefna11y TeceSSed vIithi11 Said Shoe nleans Inaking sea1ing contact vvith the shaft and a Spfing in the form of a fing With pfoiecting feSn ient arInS, Said spring being interposed betvveen the end WaH of the n1ounting fing and Said shoe IIleans and bei11g of greafer diaoletef than Said shoe nleanS So as to exfend toward the intefna1 side Wan of the mounoog ring in cIonfinng Telation to said fing seal on the invvaTd Side t efeo IefofenceS (:ffe1 111 t11e 111e of patent UNITED STATEs PATENTS L6Z4 671 Ne1Son Apf. 12, 1927 Z 037,144 olson Apf. 14, 1936 Z 18S,SS4 1anette Ian, 2, 1940 Z 34Z,95S Meyer Feb. 29, 1944 Z,363,110 1fug 11ov. 21, 1944 Z,46S,S46 MaTS1ek Maf. Z9 1949 Z 467 960 Bfady Apr. 19, 1949 Z,498,739 MagneSen Fe Z8, 1950 2,S05,189 Krog Apf. ZS, 19S0 Z,S31,079 Payne Nov. Z1, 19S0 

